136836974650 has 24 divisors (see below), whose sum is σ = 254535209820. Its totient is φ = 54730824960.

The previous prime is 136836974623. The next prime is 136836974689. The reversal of 136836974650 is 56479638631.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 36786856401 + 100050118249 = 191799^2 + 316307^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 654792 + ... + 838108.

Almost surely, 2^136836974650 is an apocalyptic number.

136836974650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136836974650 is a deficient number, since it is larger than the sum of its proper divisors (117698235170).

136836974650 is a wasteful number, since it uses less digits than its factorization.

136836974650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198258 (or 198253 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 58.

The spelling of 136836974650 in words is "one hundred thirty-six billion, eight hundred thirty-six million, nine hundred seventy-four thousand, six hundred fifty".